Frequently purchased together

Cloudy dusk? Glaring noon? Full moon? Pop the recommended pair of Smith I/O Spherical Series Replacement Lenses into your Smith I/O Spherical Series Goggles and suddenly you can see every subtlety in the slope.

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Sweet lenses

Familiarity:
I've used it once or twice and have initial impressions

The green mirror sol-x is a sweet looking lens with green and purple tones. Nice for sunny days, great visibility. Red sensor mirror is also really sweet looking and awesome for dark days and night riding. I love the Smith I/OS goggles, I don't feel like I'm wearing blinders.

Have an answer for Donna Torres?

Easy On, Easy Off

Familiarity:
I've put it through the wringer

Clear lenses are great for low vis days or running gates at night -- not much more to say in that regard. However, the Smith I/O or I/OS lenses are durable (especially if you take advantage of the nice sleeve they provide), change in a snap, and can be done with your gloves on. For that, I'm giving five stars.

Have an answer for jANIS NARK?

I can see now

I ordered the RC polarized replacement lens and they are absolutely amazing. I never knew what the big rave was about polarized lenses but boy do I now. It literally took me 2-3 runs to adjust to the amount of visibility that I had. I had never had the privilege of being able to see that kind of snow depth. The RC polarized is great for almost all conditions, they are not like photochromatic lenses. However, they do a great job of adjusting to varying conditions. I would mostly recommend these for sunny conditions but they do fine in cloudy or snowy conditions.

Comment on Marlene 's review »

Sensor Mirror is awesome in flat light

I ended up getting the Sensor Mirror lens for my I/OS. Used it in The Canyons last weekend and it was fantastic in the flat light. I normally use the photochromatic lens, but while it was snowing, the Sensor Mirror definitely gave me more contrast and detail looking at the snow.

Have an answer for element_13_?

I HAVE THE SENSOR MIRROR LENS AND HAVE...

I HAVE THE SENSOR MIRROR LENS AND HAVE WIPED THE INSIDE OF THE GOGLES AND HAVE MARKS THAT WONT COME OFF, THEY ARE NOT SCRATCHES THEY LOOK LIKE WIPE MARKS AND I HAVE GENTLY WASHED LENS TO SEE IF ANY BETTER AND NO GOOD. I HAVE BEEN TOLD YOU ARE NOT MEANT TO WIPE INSIDE OF ANY GOGGLES AS THEY HAVE A FILM ON THEM IS THIS TRUE AND WHAT CAN I DO?

Duncan is correct, Typically the bag they send them to you in is a microfiber bag (using the inside to clean goggles is common). However, to solve your problem you will have to either buy a new lens or ask for a replacement.